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1770-056 — ROLLER,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

1770-056: ROLLER,BEARING.

The ROLLER,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 5140 OVERALL, overall_length: 1.1875 INCHES NOMINAL IN, style_designator: NEEDLE ROLLER, SPHERICAL ENDS, rolling_element_diameter: 0.1876 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-183-9914, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
1770-056
NSN: 3110-00-183-9914
NIINs: 001839914, 014537234, 014581623
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 93568 — HARSCO CORP BMY-COMBAT SYSTEMS DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 5140 OVERALL
overall_length1.1875 INCHES NOMINAL IN
style_designatorNEEDLE ROLLER, SPHERICAL ENDS
rolling_element_diameter0.1876 INCHES NOMINAL IN
NSN3110-00-183-9914
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1770-056 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
ROLLING ELEMENT DIAMETER: 0.1876 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NEEDLE ROLLER, SPHERICAL ENDS
•
MATERIAL: STEEL COMP 5140 OVERALL
TECHNICAL CHARACTERISTICS
ROLLING ELEMENT DIAMETER0.1876 INCHES NOMINAL IN
STYLE DESIGNATORNEEDLE ROLLER, SPHERICAL ENDS
OVERALL LENGTH1.1875 INCHES NOMINAL IN
MATERIALSTEEL COMP 5140 OVERALL
SUBSTITUTES & CROSS-REFERENCES 6
2019916Reference document
Same NSN cross-reference
Reference document — Secondary reference
01770-0056Reference document
Same NSN cross-reference
Reference document — Secondary reference
1089Reference document
Same NSN cross-reference
Reference document — Secondary reference
3BL01016Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
V4383XReference document
Same NSN cross-reference
Reference document — Secondary reference
CE201089Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1770-056?
1770-056 is a ROLLER,BEARING.
What parts can replace 1770-056?
There are 6 known substitutes for 1770-056: 2019916, 01770-0056, 1089 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1770-056?
1770-056 is cataloged in the U.S. Government catalog under NSN 3110-00-183-9914. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.